1130505271 has 12 divisors (see below), whose sum is σ = 1311613968. Its totient is φ = 954515232.

The previous prime is 1130505227. The next prime is 1130505283. The reversal of 1130505271 is 1725050311.

It is not a de Polignac number, because 1130505271 - 2¹¹ = 1130503223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1130505071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13435 + ... + 49411.

It is an arithmetic number, because the mean of its divisors is an integer number (109301164).

Almost surely, 2^1130505271 is an apocalyptic number.

1130505271 is a deficient number, since it is larger than the sum of its proper divisors (181108697).

1130505271 is an frugal number, since it uses more digits than its factorization.

1130505271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36118 (or 36051 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 25.

The square root of 1130505271 is about 33622.9872408744. The cubic root of 1130505271 is about 1041.7356591260.

Adding to 1130505271 its reverse (1725050311), we get a palindrome (2855555582).

The spelling of 1130505271 in words is "one billion, one hundred thirty million, five hundred five thousand, two hundred seventy-one".